Aluminum Pumps

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Aluminum Pumps

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1PH SERIES

LOW NOISE
HYDRAULIC HELICAL GEAR PUMPS

6 to 28.1 cm3/rev (0.366 to 1.715 in3/rev)
280 bar (4060 psi) peak pressure

1PH SERIES

TECHNICAL DATA

OPERATING PARAMETERS
1PH Series pumps are designed
to provide high performance
levels and long life when
operated within the parameters
shown. For operation outside
these parameters please consult
your David Brown Hydraulics
representative.

MODEL
1PH 060
1PH 082
1PH 095
1PH 119
1PH 140
1PH 168
1PH 190
1PH 229
1PH 281

Maximum port pressures see below.
Speed Range
All models
see table below
Temperature
Minimum at start-up
-40oC (-40oF)
Maximum continuous
+80oC (+176oF)
Maximum intermittent
+100oC (+212oF)
Viscosity
Maximum at start-up
2000 mm2/sec
Maximum continuous
250 mm2/sec
Minimum continuous
10 mm2/sec
Optimum
15-25 mm2/sec
Fluid Cleanliness
To ISO4406 solid contaminant
Start-up period
21/17
Maximum in service
19/15
Optimum
16/11
Maximum water
0.1%
Fluid Velocity
Maximum in INLET line
2.5 m/sec (8 ft/sec)
Recommended in INLET line 1.5 m/sec (5 ft/sec)
Fluids
All data is quoted for mineral oils HM and HV.
For fire resistant and environmentally aware fluids please
contact your David Brown representative.
Rotation
Clockwise or Anti-clockwise viewed from shaft end
(not reversible).

DISPLACEMENT
cm3/rev (in3/rev)
6.0 (0.366)
8.2 (0.500)
9.5 (0.580)
11.9 (0.726)
14.0 (0.854)
16.8 (1.025)
19.0 (1.159)
22.9 (1.397)
28.1 (1.714)

OUTLET PRESSURE

SPEED

Rated - bar (psi) Peak - bar (psi) Minimum
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280
(4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
250 (3625)
210 (3045)
600
210
(3045)
170 (2465)
600

Maximum
3000
3000
3000
3000
3000
3000
3000
2500
2500

INLET CONDITIONS
It is essential that pumps are installed so that the pump can draw sufficient oil under all operating conditions.
1PH Series pump inlet porting is designed to facilitate full volume fill but the following machine design
recommendations should be followed.
Never run pumps dry - particular care should be taken to open any shut-off valves.
Use large diameter pipes and fittings and avoid sharp bends and long lengths.
Fluid velocity should not exceed 2.5 m/sec (8.0 ft/sec) calculated by:
V = 21.22Q m/sec where V = velocity (m/sec)
D2
Q = flow rate (l/min)
D = bore diameter (mm)

V = 0.408Q ft/sec where
D2

V = velocity (ft/sec)
Q = flow rate (US gal/min)
D = bore diameter (inches)

If possible mount the pump below the lowest level of fluid in the tank. If necessary prime the
pump on start-up.
Ensure that inlet lines are airtight.
Particular care should be taken where high speeds and/or high fluid viscosities are involved.
As a general rule pressure at the pump inlet should not be less than 0.93 bar absolute (2" Hg depression) at normal
viscosity of 23 mm2/sec (110 SSU).
2

David Brown Hydraulics' Engineers will be pleased to advise on any installation

1PH SERIES

INTRODUCTION

SUPER QUIET, HIGH PERFORMANCE
HYDRAULIC PUMPS
1PH pumps incorporate unique David Brown Hydraulics
helical gear technology to give highest performance
with lowest noise levels within an aluminium body.
Helical gears reduce pressure ripple by smoothing
out small flow variations associated with gear pump
technology and significantly reduces generated noise
within the machine structure. Using appropriate
shafts, bearings, and cast iron end plates within a rigid
construction gives good life expectancy.
Component accuracy and pressure compensated side
plates ensure that high performance is maintained.
SINGLE PUMPS

A RANGE OF SINGLE AND MULTIPLE PUMPS
Pump elements are available with displacements from
6.0 to 22.9 cm3/rev (0.366 to 1.397 in3/rev) for maximum
continuous operating pressures of 250 bar and peak
operating pressures of 280 bar. Maximum inlet
pressure is 2 bar.
Pumps can be supplied as single, or double units.
Triple, quadruple and add-on units to other pumps are
available in a wide variety of combinations.
Please contact your David Brown Hydraulics
representative for more information on possible
combinations of triple and quadruple pumps.

DOUBLE PUMPS

REAR PUMP

ADD ON TO OTHER PUMPS

FRONT PUMP

Triple, quad and other combinations are also available, please consult your DB Hydraulics representative for details

1PH SERIES

MODEL NUMBERS

1PH140AGT5DCSS
Series
Displacements

repeat
for each
pumping
section

repeat
repeat
for each for each
pumping pumping
section section

SINGLE PUMPS
Code

DISPLACEMENT
cm3/rev in3/rev
0.366
6.0
0.500
8.2
0.580
9.5
0.726
11.9
0.854
14.0
1.025
16.8
1.159
19.0
1.397
22.9
1.715
28.1

060
082
095
119
140
168
190
229
281
Rotation
Code
A
C

Rotation
Anti-clockwise
Clockwise

viewed from shaft end
Mounting Flange type
Refer to page 4 for details

Outrigger bearing
Code Description
O
Required
S
Not required
Refer to page 6 for details
Rear cover
Code
S
R
L
V
Y
Z

Description
Standard
Ports in rear cover
With load sensing valve
With relief valve
With priority flow valve
With flow control valve

Refer to your local David Brown
Hydraulics representative for details
of availability of codes L, Y & Z

Outlet port type
Refer to page 6 for options
Inlet port type

Drive Shaft type
Refer to page 5 for details

Refer to page 6 for options
(Use code 00 for No Port - applies to
sections of multiple pumps only)

3

1PH SERIES

TECHNICAL DETAILS

MOUNTING FLANGES
Code C

Code B
71.5 (2.82)

19.0 (0.75)

35.75 (1.41)

9.4 - 4 HOLES

38.20 (1.50)

41.4 (1.63)

88.87 -0.05

114.2 (4.50)

96.2 (3.79)
32.5 (1.28)

36.47 -0.05

38.1 (1.50) 38.1 (1.50)

4.82 (0.19)

9.0 - 4 HOLES

82.47 (3.25)

19.0 (0.75)
4.82 (0.19)

45.0 (1.77)

63.5 (2.50)

90.0 (3.54)

Code D
E52C

59.5 (2.34)

Code E
18.7 (0.77)

18.4 (0.72)
7.2 (0.28)

60.0 (2.36)

60.0 (2.36)

11.1 - 2 HOLES

30.0 (1.18)

4.0 (0.16)

30 (1.18)

100.0 (3.94)

14.5 (0.57)

60.0 (2.36)

50.00

-0.06
-0.03

100.0 (3.94)

14.5 (0.57)

-0.06

52.00 -0.03

60.0 (2.36)

11.1 - 2 HOLES

82.0 (3.23)

82.0 (3.23)

Code G with mounting holes
SAE 82 - 2 (A - 2 Bolt)
Code H with mounting slots

Code F
B50C
11.1 - 2 HOLES

-0.06
-0.03

65.5 (2.58)

19.0 (0.75)
4.82 (0.19)

66.0 (2.60)

66.0 (2.60)

2 HOLES 11
FOR CODE G
2 SLOTS 11.0 WIDE
FOR CODE H

46.7 (1.84)

50.00

100.0 (3.94)

30.0 (1.18)

14.5 (0.57)

7.2 (0.28)

60.0 (2.36)

60.0 (2.36)

18.4 (0.72)

82.55 -0.05
10.6 (0.42)

82.0 (3.23)

Code J

72.0 (2.83)

118 (4.65)

100.0 (3.94)

36.0 (1.42)

43.5 (1.71)

-0.09

80.00 -0.06

60.0 (2.36)

-0.06
-0.03

50.00

82.0 (3.23)

4

19.0 (0.75)
7.2 (0.28)

34.5 (1.36)

60.0 (2.36)
30.0 (1.18)

14.5 (0.57)

7.2 (0.28)

53.18 (2.09)

Code S
B80C

100.0 (3.94)

18.4 (0.72)

53.18 (2.09)

45.0 (1.77)
90.0 (3.54)

Please note: Other flanges may be available which are not displayed here. Please contact your local representative.

1PH SERIES

TECHNICAL DETAILS

DRIVE SHAFTS
Shaft Type T8

Shaft Type T5

40.0 (1.57)

40.5 (1.59)
50 Nm

27.5 (1.08)

28.0 (1.10)

10.5 (0.41)

F
3.2 -0.020
-0.001
(0.126
)

)

M12x1.5

6.3 (0.25)

-0.001

6.5 (0.26)

Basic taper 1:5
Ref.diameter 17.0.

9.4 (0.37)

9.4 (0.37)

16.0 (0.63)
3.0 -0.030
(0.118

Shaft Type P1

50 Nm

12.1 (0.48)

Basic taper 1:8

M12x1.5

Ref.diameter 17.0.

Shaft Type P2

44.70 (1.760)

24.3 (0.96)
32.5 (1.279)
8.1 (0.32)
KEY - 3.97 x 3.97
19.0 (0.75)

15.87 ( 0.625)

-0.03

17.6 (0.69)

19.56
(0.770)

4.8
(0.189 -0.001 )

M6 x 1 x 12 (0.47) DEEP

17.46
( 0.687)

7/16" - 20 UNF

32.0 (1.26)

Shaft Type R1

Shaft Type S1

31.5 (1.24)

17.4 ( 0.68)

-0.003

Shaft Type S2

Shaft Type S3

32.5 (1.28)
13.8 (0.54)
7.8 (0.31)

Involute Spline
9 Teeth
16/32 DP
16-4/SAE'A'
(SAE J744)

30.0 ( 1.18)

12.0 -0.2
(0.47 -0.008 )
32.0 ( 1.26)

-0.083

2.7 +0.5
+0.02
(0.11
)

8.0 -0.025 (0.315 -0.001 )

8.5 (0.33)
6.5 +0.1
(0.256 +0.004 )

SAE Spline
Flat Root Side Fit
11 Teeth
16/32 DP
19-4 (SAE J744)

8 Teeth
DIN 5482 Spline
B15X12

3.8 (0.15)
10.0 (0.39)

Please note: Other shafts may be available which are not displayed here. Please contact your local representative.

5

1PH SERIES

TECHNICAL DETAILS

PORT TYPES
TYPE 1

TYPE 2

A

A

B

B
TYPE 'A' Dia 'B' Dia
D
15.0 35.0
F
20.0 40.0

TYPE 'A' Dia 'B' Dia
Thread
A
15.0 35.0
M6x1x13
B
20.0 40.0 M8x1.25x13
C
15.0 30.2
M6x1x13

Flange Ports - Type 1
INLET
A

MODEL TYPE

PORT TYPE

J

060
082
095
119
140
168
190
229

TYPE 3

INLET
B

A

Thread
M6x1x13
M6x1x13

Flange Ports - Type 2
INLET
F

TYPE 4

TYPE
H
J

A

TYPE
M
N

'A' Thread
1/2" BSP
3/4" BSP

'A' Thread
7/8"-14 UNF
1-1/16"-12 UNF

Threaded Ports - Type 3

Threaded Ports - Type 4

OUTLET
D

INLET
H

OUTLET
H

INLET
M

OUTLET
C

INLET
D

INLET
J

INLET
N

OUTLET
M

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

= Preferred option. Other port types may be available - consult your David Brown Hydraulics representative for further information
a

OUTRIGGER BEARINGS

a

1400

1200

Fr

Fr (N)

Fr
1000

Fa
800

Fa

n=
1
n= 500
2
n= 000
30
n= 00
40
00

600

400
10

20

30

40

50

60

Type 1: Mounting Flange Type 'Y'
(hole centres as Code 'S')

a (mm)

Type 2: Mounting Flange Type 'B', 'G' or 'S'

EFFICIENCY AND NOISE
TYPICAL NOISE LEVELS
Operating Pressure (psi)

TYPICAL PUMP EFFICIENCIES
Operating Pressure (psi)
0

1000

2000

0

3000

1000

2000

75

100

3000

98

1000

96

Sound Pressure db(A)

Sound Pressure db(A)

2500 rev/min

rev/m

in

94
92
90

2500

in

rev/m

65

v/min

1000 re

60
55
50

0

6

70

50

100

150

Operating Pressure (bar)

200

250

0

50

100

150

Operating Pressure (bar)

200

250

1PH SERIES

INSTALLATION DATA

NOTE:
Width across port
faces = 84 (3.307)

B

D

F
A

15.8 (0.622")

C

100.0 (3.94)
50.0 (1.97)

100.0 (3.94)
50.0 (1.97)

15.8 (0.622")

E

NOTE: Dimensions shown are for an SAE 82-2 (A-2Bolt) Flange. Please make an allowance when using other flange types.

SINGLE PUMPS

DOUBLE PUMPS

PUMP
MODEL

A

B

C

D

E

F

060
082
095
119
140
168
190
229
281

40.4 (1.590)
42.7 (1.681)
52.1 (2.051)
54.7 (2.153)
63.9 (2.516)
66.9 (2.634)
69.2 (2.724)
72.4 (2.890)
78.1 (3.075)

83.8 (3.299)
88.5 (3.484)
107.3 (4.224)
112.4 (4.425)
130.8 (5.150)
136.8 (5.386)
141.4 (5.567)
149.7 (5.894)
160.7 (6.328)

40.4 (1.590)
42.7 (1.681)
52.1 (2.051)
54.7 (2.153)
63.9 (2.516)
66.9 (2.634)
69.2 (2.724)
72.4 (2.890)
78.1 (3.075)

61.8 (2.434)
66.5 (2.618)
85.3 (3.357)
90.4 (3.557)
108.8 (4.284)
114.8 (4.518)
119.4 (4.702)
127.7 (5.028)
138.7 (5.462)

51.9 (2.043)
54.2 (2.134)
63.6 (2.504)
66.1 (2.602)
75.4 (2.969)
78.3 (3.083)
80.7 (3.177)
84.8 (3.339)
89.6 (3.527)

95.3 (3.752)
100.0 (3.937)
118.7 (4.673)
123.8 (4.874)
142.3 (5.602)
148.2 (5.835)
152.9 (6.020)
161.2 (6.346)
172.2 (6.781)

Please note: The lengths in this table are true for flange types B, C, G, H, & S. For flange types D, E, F, & J.
Please refer to page 4 of this catalogue for flange length variation.

1PH SERIES

SERVICING DATA
Seal Repair Kit Part Number: SK1PH001
Items indicated are included in the repair kit

Bolt Torque = 47 Nm

O'Ring
Wearplate Seal
Wearplate Backup Seal

T

LE

IN

Wearplate Backup Seal
Wearplate Seal
Typical exploded view of clockwise
rotation pump assembly

ET

L
UT

O

O'Ring
Shaft Seal

Before dismantling ensure that the external surfaces of the pump
and any work surfaces are clean.
Identify parts as they are disassembled so that they can be rebuilt in
the same order, i.e. wearplate position, gear mesh etc.
Examine metal parts for signs of degredation or wear, if there are
any serious signs of wear on the gears, in the housing, or in the
bearings, then the complete pump should be replaced.
If all metal parts are in good order the pump may be rebuilt using
new seals throughout.

7

1PN SERIES
HYDRAULIC GEAR PUMPS

4 to 28.1 cm3/rev (0.244 to 1.715 in3/rev)
280 bar (4060 psi) peak pressure

1PN SERIES

TECHNICAL DATA

OPERATING PARAMETERS
1PN Series pumps are designed
to provide high performance
levels and long life when
operated within the parameters
shown. For operation outside
these parameters please consult
your David Brown Hydraulics
representative.

MODEL
1PN 040
1PN 061
1PN 082
1PN 095
1PN 119
1PN 135
1PN 140
1PN 146
1PN 168
1PN 192
1PN 229
1PN 281

Maximum port pressures see below.
Speed Range
All models
see table below
Temperature
Minimum at start-up
-40oC (-40oF)
Maximum continuous
+80oC (+176oF)
Maximum intermittent
+100oC (+212oF)
Viscosity
Maximum at start-up
2000 mm2/sec
Maximum continuous
250 mm2/sec
Minimum continuous
10 mm2/sec
Optimum
15-25 mm2/sec
Fluid Cleanliness
To ISO4406 solid contaminant
Start-up period
21/17
Maximum in service
19/15
Optimum
16/11
Maximum water
0.1%
Fluid Velocity
Maximum in INLET line
2.5 m/sec (8 ft/sec)
Recommended in INLET line 1.5 m/sec (5 ft/sec)
Fluids
All data is quoted for mineral oils HM and HV.
For fire resistant and environmentally aware fluids please
contact your David Brown representative.
Rotation
Clockwise or Anti-clockwise viewed from shaft end (not reversible).

DISPLACEMENT
cm3/rev (in3/rev)
4.0 (0.244)
6.1 (0.372)
8.2 (0.500)
9.5 (0.579)
11.9 (0.726)
13.5 (0.823)
14.0 (0.854)
14.6 (0.890)
16.8 (1.025)
19.2 (1.171)
22.9 (1.397)
28.1 (1.714)

OUTLET PRESSURE

SPEED

Rated - bar (psi) Peak - bar (psi) Minimum
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
280 (4060)
250 (3625)
600
250 (3625)
210 (3045)
600
210 (3045)
175 (2540)
600

Maximum
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
2500
2500

INLET CONDITIONS
It is essential that pumps are installed so that the pump can draw sufficient oil under all operating conditions.
1PN Series pump inlet porting is designed to facilitate full volume fill but the following machine design
recommendations should be followed.
Never run pumps dry - particular care should be taken to open any shut-off valves.
Use large diameter pipes and fittings and avoid sharp bends and long lengths.
Fluid velocity should not exceed 2.5 m/sec (8.0 ft/sec) calculated by:
V = 21.22Q m/sec where V = velocity (m/sec)
D2
Q = flow rate (l/min)
D = bore diameter (mm)

V = 0.408Q ft/sec where
D2

V = velocity (ft/sec)
Q = flow rate (US gal/min)
D = bore diameter (inches)

If possible mount the pump below the lowest level of fluid in the tank. If necessary prime the
pump on start-up.
Ensure that inlet lines are airtight.
Particular care should be taken where high speeds and/or high fluid viscosities are involved.
As a general rule pressure at the pump inlet should not be less than 0.93 bar absolute (2" Hg dpression) at normal
viscosity of 23 mm2/sec (110 SSU).
2

David Brown Hydraulics' Engineers will be pleased to advise on any installation

1PN SERIES

INTRODUCTION

A RANGE OF SINGLE AND MULTIPLE PUMPS
Pump elements are available with displacements from 4.0 to 22.9 cm3/rev (0.244 to 1.397 in3/rev) for
maximum continuous operating pressures of up to 250 bar and peak operating pressures of up to 280 bar.
Maximum inlet pressure is 2 bar.
Pumps can be supplied as single, or as multiple units. Pumps can also be used as add-on units to other
pumps types in a wide variety of combinations.
Please contact your David Brown Hydraulics representative to discuss your specific requirement or for
more information on possible combinations of triple and quadruple pumps.
SINGLE PUMPS

DOUBLE PUMPS

REAR PUMP

ADD ON TO OTHER PUMPS

FRONT PUMP

Triple, quad and other combinations are also available, please consult your DB Hydraulics representative for details

1PN SERIES

MODEL NUMBERS

1PN140AGT5DCSS
repeat
for each
pumping
section

Series
Displacements

repeat
repeat
for each for each
pumping pumping
section section

Outrigger bearing

SINGLE PUMPS
Code

DISPLACEMENT
cm3/rev in3/rev
0.244
4.0
0.372
6.1
0.500
8.2
0.579
9.5
0.726
11.9
0.823
13.5
0.854
14.0
0.890
14.6
1.025
16.8
1.171
19.2
1.397
22.9
1.714
28.1

040
061
082
095
119
135
140
146
168
192
229
281
Rotation
Code
A
C

Rotation
Anti-clockwise
Clockwise

viewed from shaft end

Code Description
O
Required
S
Not required
Refer to page 6 for details
Rear cover
Code
S
R
L
V
Y
Z

Description
Standard
Ports in rear cover
With load sensing valve
With relief valve
With priority flow valve
With flow control valve

Refer to your local David Brown
Hydraulics representative for details
of availability of codes L, Y & Z

Outlet port type
Refer to page 6 for options

Mounting Flange type
Refer to page 4 for details
Drive Shaft type
Refer to page 5 for details

Inlet port type
Refer to page 6 for options
(Use code 00 for No Port - applies to
sections of multiple pumps only)

3

1PN SERIES

TECHNICAL DETAILS

MOUNTING FLANGES
Code C

Code B
71.5 (2.82)

19.0 (0.75)

35.75 (1.41)

82.47 (3.25)

9.4 DIA - 4 HOLES

38.20 (1.50)

88.87 DIA -0.05

114.2 (4.50)
41.4 (1.63)

32.5 (1.28)

36.47 DIA -0.05

38.1 (1.50) 38.1 (1.50)

4.82 (0.19)

96.2 (3.79)

19.0 (0.75)
4.82 (0.19)
9.0 DIA - 4 HOLES

45.0 (1.77)

63.5 (2.50)

90.0 (3.54)

Code D
E52C

59.5 (2.34)

Code E
18.7 (0.77)

18.4 (0.72)

60.0 (2.36)

60.0 (2.36)

7.2 (0.28)

4.0 (0.16)

30 (1.18)

11.1 DIA - 2 HOLES

30.0 (1.18)

100.0 (3.94)

14.5 (0.57)

60.0 (2.36)

-0.06

50.00 DIA -0.03

100.0 (3.94)

14.5 (0.57)

-0.06
-0.03

52.00 DIA

60.0 (2.36)

11.1 DIA - 2 HOLES

82.0 (3.23)

82.0 (3.23)

Code G with mounting holes
SAE 82 - 2 (A - 2 Bolt)
Code H with mounting slots

Code F
B50C
11.1 DIA - 2 HOLES

65.5 (2.58)

19.0 (0.75)
4.82 (0.19)

66.0 (2.60)

66.0 (2.60)

2 HOLES 11 DIA
FOR CODE G
2 SLOTS 11.0 WIDE
FOR CODE H

46.7 (1.84)

-0.06

50.00 DIA -0.03

100.0 (3.94)

30.0 (1.18)

14.5 (0.57)

7.2 (0.28)

60.0 (2.36)

60.0 (2.36)

18.4 (0.72)

82.55 DIA -0.05
10.6 (0.42)

82.0 (3.23)

Code J

53.18 (2.09)

53.18 (2.09)

Code S
B80C

18.4 (0.72)

60.0 (2.36)

7.2 (0.28)

19.0 (0.75)

30.0 (1.18)

72.0 (2.83)

7.2 (0.28)

36.0 (1.42)

9.25 DIA - 4 HOLES

4

100.0 (3.94)
34.5 (1.36)

118 (4.65)
43.5 (1.71)

-0.09

80.00 DIA -0.06

100.0 (3.94)

14.5 (0.57)

-0.06

50.00 DIA -0.03

82.0 (3.23)

60.0 (2.36)

11.1 DIA - 2 HOLES

45.0 (1.77)
90.0 (3.54)

Please note: Other flanges may be available which are not displayed here. Please contact your local representative.

1PN SERIES

TECHNICAL DETAILS

DRIVE SHAFTS
Shaft Type T8

Shaft Type T5

40.0 (1.57)

40.5 (1.59)
50 Nm

27.5 (1.08)

28.0 (1.10)

10.5 (0.41)

50 Nm

9.4 (0.37)

9.4 (0.37)

12.1 (0.48)

16.0 (0.63) DIA
3.0 -0.030

Shaft Type P1

M12x1.5

6.3 (0.25)

6.5 (0.26)

(0.118 -0.001 )

Basic taper 1:5
Ref.diameter 17.0.

15.87 DIA
(0.625)

3.2 -0.020
-0.001
(0.126
)

Basic taper 1:8

M12x1.5

Ref.diameter 17.0

Shaft Type P2

44.70 (1.760)

24.3 (0.96)
32.5 (1.279)
8.1 (0.32)
KEY - 3.97 x 3.97
19.0 (0.75)

15.87 DIA (0.625)

-0.03

17.6 (0.69)

19.56
(0.770)

4.8
(0.189 -0.001 )

M6 x 1 x 12 (0.47) DEEP

17.46 DIA
(0.687 DIA)

7/16" - 20 UNF

32.0 (1.26)

Shaft Type R1

Shaft Type S1

31.5 (1.24)

Shaft Type S3

32.5 (1.28)
13.8 (0.54)
7.8 (0.31)

16-4/SAE'A'
(SAE J744)

12.0 -0.2
(0.47 -0.008 )

32.0 DIA
(1.26 DIA)

Shaft Type S2

Involute Spline
9 Teeth
16/32 DP

30.0 DIA
(1.18 DIA)

-0.003

17.4 DIA (0.68 DIA)

2.7 +0.5
+0.02
(0.11
)

-0.083

6.5 +0.1
(0.256 +0.004 )

8.0 -0.025 (0.315 -0.001 )

8.5 (0.33)

SAE Spline
Flat Root Side Fit
11 Teeth
16/32 DP

8 Teeth
DIN 5482 Spline
B15X12

19-4 (SAE J744)

3.8 (0.15)
10.0 (0.39)

Please note: Other shafts may be available which are not displayed here. Please contact your local representative.

5

1PN SERIES

TECHNICAL DETAILS

PORT TYPES
TYPE 1

TYPE 2

A

A

B

B
TYPE 'A' Dia 'B' Dia
D
15.0 35.0
F
20.0 40.0

TYPE 'A' Dia 'B' Dia
Thread
A
15.0 35.0
M6x1x13
B
20.0 40.0 M8x1.25x13
C
13.5 30.2
M6x1x13

Flange Ports - Type 1
INLET
PORT TYPE
A
060
J
082
J
095
J
119
140
168
190
229

INLET
B

MODEL TYPE

J

TYPE 3

TYPE 4

A

TYPE
H
J

Thread
M6x1x13
M6x1x13

Flange Ports - Type 2

A

'A' Thread
1/2" BSP
3/4" BSP

TYPE
M
N

'A' Thread
7/8"-14 UNF
1-1/16"-12 UNF

Threaded Ports - Type 3

Threaded Ports - Type 4

OUTLET
D

INLET
H

OUTLET
H

INLET
M

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

OUTLET
C

INLET
D

J
J
J

INLET
F

INLET
J

INLET
N

OUTLET
M

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

J

= Preferred option. Other port types may be available - consult your David Brown Hydraulics representative for further information
a

OUTRIGGER BEARINGS

a

1400

1200

Fr

Fr (N)

Fr
1000

Fa
800

Fa

n=
1
n= 500
2
n= 000
3
n= 000
40
00

600

400
10

20

30

40

50

60

Type 1: Mounting Flange Type 'Y'
(hole centres as Code 'S')

a (mm)

PUMP EFFICIENCY
TYPICAL PUMP EFFICIENCIES

Operating Pressure (psi)

0

1000

2000

3000

100

2500 rev/min

Efficiency (%)

98

1000

96

rev/m

in

94
92
90
0

6

50

100

150

Operating Pressure (bar)

200

250

Type 2: Mounting Flange Type 'B', 'G' or 'S'

1PN SERIES

INSTALLATION DATA

B

Note:
With across port faces
= 84 mm (3.31")

D

F
A

15.8 (0.622")

C

100.0 (3.94)
50.0 (1.97)

100.0 (3.94)
50.0 (1.97)

15.8 (0.622")

E

SINGLE PUMPS

DOUBLE PUMPS

PUMP
MODEL

A

B

C

D

E

F

040
061
082
095
119
135
140
146
168
192
229
281

42.2
43.8
45.5
46.5
48.4
49.6
50.0
50.5
52.2
60.0
63.0
67.0

88.0
91.4
94.6
96.6
100.5
102.9
103.7
104.6
108.1
123.9
129.6
137.8

42.2
43.8
45.5
46.5
48.4
49.6
50.0
50.5
52.2
60.0
63.0
67.0

65.4
68.7
71.9
73.9
77.7
80.2
79.0
81.9
85.4
101.2
106.9
115.1

53.2
54.8
56.5
57.5
59.4
60.6
61.0
61.5
63.2
71.0
74.0
78.0

99.0
102.4
105.6
107.6
111.5
113.9
114.7
115.6
119.1
134.9
140.6
148.8

Please note: The lengths in this table are true for flange types B, C, G, H, & S. For flange types D, E, F, & J.
Please refer to page 4 of this catalogue for flange length variation.

1PN SERIES

SERVICING DATA
Bolt Torque = 47 Nm

Seal Repair Kit Part Number: SK1PN001
Items indicated are included in the repair kit

Wearplate Seal
Wearplate Backup Seal
O'Ring

T

LE

IN

O'Ring
Typical exploded view of clockwise
rotation pump assembly

ET

L
UT

O

Wearplate Backup Seal
Wearplate Seal

Before dismantling ensure that the external surfaces of the pump
and any work surfaces are clean.
Identify parts as they are disassembled so that they can be rebuilt in
the same order, i.e. wearplate position, gear mesh etc.
Examine metal parts for signs of degredation or wear, if there are
any serious signs of wear on the gears, in the housing, or in the
bearings, then the complete pump should be replaced.
If all metal parts are in good order the pump may be rebuilt using
new seals throughout.

Shaft Seal

7

DAVID BROWN HYDRAULICS
From our headquarters in the UK and subsidiary companies in Europe and
Australia, together with other associated companies throughout the world,
David Brown Hydraulics is able to offer global sales and service support for
its mobile hydraulics products.

Pumps

Motors

Directional Valves

Pilot Controllers

Subplate Valves

Cartridge Valves

David Brown Hydraulics' Engineers have years of experience of working with
customers to establish optimum hydraulic circuits. Where possible standard
products are specified but, if applicable, customised or special designs can
be produced.

DAVID BROWN HYDRAULICS COMPANIES
GERMANY
David Brown Hydraulics
Deutschland GmbH - Ratingen
Telephone: +49(0)2102 99680
Facsimile: +49(0)2102 996822
E-mail:
[email protected]

DENMARK
David Brown Hydraulics Danmark A/S
- Copenhagen
Telephone: +45 32 51 4015
Facsimile: +45 32 51 2022
E-mail:
david-brown
@david-brown.dk

ITALY
David Brown Hydraulics Italia Srl
- Vignola (MO)
Telephone: +39 059 7700411
Facsimile: +39 059 7700425
E-mail:
[email protected]

FINLAND
David Brown Hydraulics Finland OY
- Helsinki
Telephone: +358 9 342 4120
Facsimile: +358 9 342 41236
E-mail:
[email protected]

UK
David Brown Hydraulics Limited
32 Factory Road
Poole, Dorset
England, BH17 0LB
Telephone: +44(0)1202 627500
Facsimile: +44(0)1202 627555
E-mail:
[email protected]
Web Site:
www.dbh.textron.com

Hydreco

202DB2005(USA) v2

AUSTRALIA
David Brown Engineering
& Hydraulics (Pty) Ltd - Sydney
Telephone: +61(0)2 9838 6800
Facsimile: +61(0)2 9838 6899
E-mail:
[email protected]

2915 Whitehall Park Drive
Charlotte
NC 28273
USA
Telephone:
+1 704 716 9000
Facsimile:
+1 704 716 9001
E-mail:
[email protected]
Website:
http://www.hydreco.com

A

COMPANY

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